PET Scan (Positron Emission Tomography)

Book Definition:

An imaging technique that relies on the detection of radioactive sugar consumed by active brain cells.

In Your Own Words:

  • When getting a PET scan, areas of the brain that show up as bright colors are the areas with high concentrations of activity.
  • The PET scan shows different regions of the brain become active during different conscious tasks.


  • Used to detect cancer, heart problems and brain tumors to determine disorders.
  • PET scans can be used to monitor brain changes during the use of drugs.
  • They can detect what part of your brain is active during specific activities.
  • This can be used to discover which parts of the brain control certain parts of the body.
  • It's used to show brain activity during mental process', for example areas of high concentration show up as brightly colored on the image.

PET scan Machine
PET scan Machine

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